#!/usr/bin/python
#-*-coding: utf-8 -*-

#This file is part of pyLot library.
#
# pyLot is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pyLot is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with pyLot.  If not, see <http://www.gnu.org/licenses/>.

__author__ = u'Pierre Puiseux, Guillaume Baty'
__copyright__ = u"Copyright 2011-2012 (C) andheo, Université de Pau et des Pays de l'Adour"
__credits__ = [u'Pierre Puiseux', u'Guillaume Baty']
__license__ = "GNU Lesser General Public License"

__all__ = ['CustomException']

from _pylot.data import regexpr

ok = u'Value is correct'

def script_name (file_path):
  return regexpr.co_script_shell_name.match(file_path)

def script_content (file_path):
  f = open(file_path, 'r')
  if regexpr.co_script_shell_content_l1.match(f.readline().strip()) \
    and regexpr.co_script_shell_content_l2.match(f.readline().strip()) :
    f.close()
    return True
  else :
    f.close()
    return False

def num_gt_zero(value):
  if value <= 0 :
    return (False, u'Value must be strictly positive, got %s' % value)
  else :
    return (True, ok)

def probability(value):
  if 0. <= value <= 1. :
    return (True, ok)
  else :
    return (False, u'Value must be in [0,1], got %s' % value)
